CN112669504A - Entrance guard vehicle identification method and device based on socialized issued electronic identification - Google Patents
Entrance guard vehicle identification method and device based on socialized issued electronic identification Download PDFInfo
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Abstract
The invention relates to the technical field of vehicle identification of an access control system, and discloses an access control vehicle identification method and device based on socialized issuing of electronic identification, wherein the method comprises the following steps: storing the ID number of the electronic identification which does not store the vehicle information and the vehicle information, wherein the ID number and the vehicle information have a corresponding relation; acquiring image identification information of a vehicle; acquiring radio frequency identification information of a vehicle; judging whether the vehicle information exists in the radio frequency identification information, if so, directly matching the image identification information with the radio frequency identification information, and outputting a matching result, otherwise, acquiring the corresponding vehicle information according to the ID number of the electronic identification; the method and the device store the ID number of the electronic identifier and the corresponding vehicle information in advance, acquire the ID number when the vehicle information is needed, acquire the vehicle information by using the ID number, match the vehicle information acquired from the electronic identifier with the vehicle information acquired from the image, and realize accurate identification of the vehicle information to which the socially issued electronic identifier belongs.
Description
Technical Field
The invention relates to the technical field of vehicle identification of access control systems, in particular to an access control vehicle identification method and device based on socialized issuing of electronic identification.
Background
In the field of access control systems for parking management, shooting images and identifying physical license plates through the images are currently important identification modes. With the promulgation of national standards of vehicle electronic identifiers, the installation of the electronic identifiers is more and more popular. The recognition of the electronic identification of the vehicle also becomes one of the important recognition methods of the parking management system.
In order to accelerate the popularization of the electronic identification, besides the formal issuing of the electronic identification in the public security network, a new card issuing mode is also popularized, namely the electronic identification is issued socially. The most important difference between the two is that basic information such as a license plate number is written in the electronic identifier which is issued formally, but the card which is issued socially does not have the information, and only card number information of the basic electronic identifier, namely an ID number. Since the electronic identifiers issued through the social channel do not store the vehicle information, the access control system for parking management can only obtain the ID numbers when identifying the electronic identifiers, but cannot obtain the vehicle information such as the license plate number of the vehicle, so that the parking management system cannot effectively manage the vehicle even though identifying the electronic identifiers, and the current situation needs to be improved.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a method and a device for identifying an entrance guard vehicle based on a socially issued electronic identifier, which can enable an entrance guard system to obtain vehicle information of the socially issued electronic identifier of the vehicle so as to effectively manage the vehicle.
In order to achieve the above purpose, the invention provides the following technical scheme:
the entrance guard vehicle identification method based on the socialized issuing of the electronic identification comprises the following steps: s100: storing an ID number of an electronic identifier which does not store vehicle information and the vehicle information, wherein the ID number and the vehicle information have a corresponding relation, and the vehicle information comprises a license plate number of a vehicle; s200: acquiring image identification information of a vehicle; s300: acquiring radio frequency identification information of a vehicle; the radio frequency identification information comprises an ID number of the electronic identification; s400: judging whether the vehicle information exists in the radio frequency identification information, if so, directly executing S600, otherwise, executing S500 first and then executing S600; s500: acquiring corresponding vehicle information according to the ID number of the electronic identifier; s600: and matching the image identification information with the radio frequency identification information, and outputting a matching result.
In the present invention, preferably, the S500 includes: s501: transmitting the ID number to a vehicle information server; s502: the vehicle information server searches the vehicle information corresponding to the ID number and returns the vehicle information to the sender of the ID number.
In the present invention, preferably, the S600 includes: s601: judging whether the image identification information is consistent with the radio frequency identification information, if so, executing S602, and if not, executing S603; s602: outputting the matching result as the accurate matching success and the brand in the radio frequency identification information; s603: judging whether the number of the inconsistent marks is within 2 bits, if so, executing S604, and otherwise, executing S605; s604: outputting the matching result as the successful fuzzy matching and the brand in the radio frequency identification information; s605: and outputting the matching result as the matching failure, the brand in the image identification information and the brand in the video identification information.
In the present invention, preferably, the S200 includes: s201: starting to record the image recognition time, shooting an image of the vehicle, and capturing image recognition information from the image of the vehicle; s202: judging whether image identification information exists, if so, executing S400, otherwise, executing S203; s203: judging whether the image recognition time exceeds a preset timeout time, if so, executing S204, and if not, executing S205; s204: outputting information of failure in acquiring the image identification information; s205: after the preset waiting time elapses, S202 is executed.
In the present invention, preferably, the S300 includes: s301: starting to record radio frequency identification time, sending a signal to the electronic identifier, receiving a signal returned by the electronic identifier, and converting the signal returned by the electronic identifier into radio frequency identification information; s302: judging whether radio frequency identification information exists, if so, executing S400, otherwise, executing S303; s303: judging whether the radio frequency identification time exceeds preset overtime time, if so, executing S304, and if not, executing S305; s304: outputting the information of the radio frequency identification information acquisition failure; s305: after the preset waiting time elapses, S302 is executed.
Entrance guard's vehicle recognition device based on socialized issue electronic identification includes: the vehicle information server is used for storing the ID number of the electronic identifier which does not store the vehicle information, the vehicle information and the corresponding relation of the vehicle information; an image recognition unit for acquiring image recognition information of the vehicle; the radio frequency identification unit is used for acquiring radio frequency identification information of the vehicle; the vehicle information judging and acquiring unit is used for judging whether the radio frequency identification information comprises vehicle information or not, and acquiring corresponding vehicle information from the vehicle information server according to the ID number of the electronic identification under the condition that the radio frequency identification information does not comprise the vehicle information; and the matching unit is used for matching the image identification information with the radio frequency identification information and outputting a matching result.
In the present invention, it is preferable that the vehicle information determination and acquisition unit includes: the vehicle information judging module is used for judging whether the radio frequency identification information comprises vehicle information or not; and the vehicle information acquisition module is used for sending the ID number to the vehicle information server and receiving the vehicle information returned by the vehicle information server.
In the present invention, it is preferable that the matching unit includes: the double-base comparison module is used for judging whether the image identification information is consistent with the radio frequency identification information; the accuracy judging module is used for judging whether the number of the inconsistent marks is within 2 bits; and the output module is used for outputting the matching result.
In the present invention, it is preferable that the image recognizing unit includes: the image recognition timing module is used for recording image recognition time; the image shooting and capturing module is used for shooting an image of the vehicle and capturing image identification information from the image of the vehicle; the image information judging module is used for judging whether image identification information exists or not; the image overtime judging module is used for judging whether the image identification time exceeds the preset overtime time or not; the image delay module is used for controlling the image shooting and capturing module to shoot the image of the vehicle again after the preset waiting time, and capturing the image identification information from the image of the vehicle; the output module is also used for outputting the information of the failure of obtaining the image identification information.
In the present invention, it is preferable that the radio frequency identification unit includes: the radio frequency identification timing module is used for recording radio frequency identification time; the radio frequency transceiving and converting module is used for sending signals to the electronic identifier, receiving the signals returned by the electronic identifier and converting the signals returned by the electronic identifier into radio frequency identification information; the radio frequency information judging module is used for judging whether radio frequency identification information exists or not; the radio frequency overtime judging module is used for judging whether the radio frequency identification time exceeds the preset overtime time; the radio frequency delay module is used for controlling the radio frequency transceiving and converting module to send a signal to the electronic identifier again after a preset waiting time, receiving a signal returned by the electronic identifier and converting the signal returned by the electronic identifier into radio frequency identification information; the output module is also used for outputting the information of the failure of obtaining the radio frequency identification information.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to a door control vehicle identification method and device based on socialized issuing electronic identification, which utilizes the characteristic that the electronic identification has a unique ID number, stores the ID number of the socialized issuing electronic identification and the corresponding vehicle information in advance, acquires the ID number when the door control system for parking management needs to use the vehicle information, then uses the ID number to inquire the corresponding vehicle information, thereby acquiring the required vehicle information, then matches the vehicle information acquired from the electronic identification with the vehicle information acquired from the image, determines whether to allow the vehicle to enter a parking management area and charge or not according to the matching result, realizes the accurate identification of the door control system for parking management on the vehicle information belonging to the socialized issuing electronic identification, realizes the effective management on the vehicle, and the method and the device do not need to modify the electronic identification, thereby being convenient for the vehicle owner to use the electronic identification, by adopting the classification of accurate matching and fuzzy matching, the influence of image recognition error caused by weather and other reasons on the condition that the vehicle enters a parking management area can be prevented, the overtime management function is added, and the time waste caused by long-time stagnation of the system when the image recognition information or the radio frequency recognition information of the vehicle cannot be acquired is prevented.
Drawings
Fig. 1 is a flowchart of an embodiment of a social issuing electronic identification-based entrance guard vehicle identification method.
Fig. 2 is a flowchart of another embodiment of a social issuing electronic identification-based entrance guard vehicle identification method.
Fig. 3 is a flowchart of another embodiment of a social issuing electronic identification based access control vehicle identification method.
Fig. 4 is a flowchart of another embodiment of a social issuing electronic identification-based entrance guard vehicle identification method.
Fig. 5 is a flowchart of another embodiment of a social issuing electronic identification based access control vehicle identification method.
Fig. 6 is a schematic structural diagram of an embodiment of a social issuing electronic identification-based entrance guard vehicle recognition device.
Fig. 7 is a schematic structural diagram of another embodiment of the entrance guard vehicle recognition device based on the socially issued electronic identifier.
Fig. 8 is a schematic structural diagram of another embodiment of the entrance guard vehicle recognition device based on the socially issued electronic identifier.
Fig. 9 is a schematic structural diagram of another embodiment of the entrance guard vehicle recognition device based on the socially issued electronic identifier.
In the drawings: the system comprises a 1-vehicle information server, a 2-image recognition unit, a 201-image recognition timing module, a 202-image shooting and capturing module, a 203-image information judgment module, a 204-image overtime judgment module, a 205-image delay module, a 3-radio frequency recognition unit, a 301-radio frequency recognition timing module, a 302-radio frequency transceiving and conversion module, a 303-radio frequency information judgment module, a 304-radio frequency overtime judgment module, a 305-radio frequency delay module, a 4-vehicle information judgment and acquisition unit, a 401-vehicle information judgment module, a 402-vehicle information acquisition module, a 5-matching unit, a 501-double-base comparison module, a 502-accuracy judgment module and a 503-output module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 5, a preferred embodiment of the present invention provides a method for identifying an entrance guard vehicle based on a socially issued electronic identifier, including:
s100: and storing the ID number of the electronic identification which does not store the vehicle information and the vehicle information, wherein the ID number and the vehicle information have a corresponding relation, and the vehicle information comprises the license plate number of the vehicle.
The electronic identifier not storing the vehicle information is usually a socially issued electronic identifier, and if an officially issued electronic identifier appears to store the vehicle information, the corresponding relationship between the ID number and the vehicle information may be established by this method, so the electronic identifier not storing the vehicle information is not limited to the socially issued electronic identifier. When the electronic identification is issued, a vehicle information server can be set, every time an electronic identification is issued to a vehicle owner, the ID number of the electronic identification and the vehicle information of the vehicle identified by the electronic identification are recorded into the vehicle information server, the ID number in the vehicle information server and the vehicle information have a corresponding relation, the corresponding vehicle information can be inquired by using the ID number, and the corresponding ID number can also be inquired by using the vehicle information. The vehicle information at least comprises a license plate number, and can also comprise information such as a vehicle type and color.
S200: image recognition information of the vehicle is acquired.
The process comprises the steps of firstly obtaining an image of a vehicle, for example, shooting a picture of the vehicle entering an identification area of an access control system by a camera, and then identifying vehicle information in the picture by an image identification technology, wherein the vehicle information at least comprises a license plate number and can also comprise information such as a vehicle type, colors and the like.
S300: acquiring radio frequency identification information of a vehicle; the radio frequency identification information includes an ID number of the electronic identification.
The process generally includes that a reading device of the electronic tag sends a radio frequency signal to the electronic tag entering a radio frequency identification area, the electronic tag can be active or passive, the electronic tag can return a signal to the reading device after receiving the signal sent by the reading device, and the reading device can perform a series of signal conversion processes after receiving the signal, so that the signal is converted into radio frequency identification information. The electronic identifiers all have unique ID numbers, so that the radio frequency identification information at least comprises the ID numbers of the electronic identifiers, if the written contents of the electronic identifiers are complete, the vehicle information such as license plates and the like can be included, and the contents stored in the electronic identifiers are possibly few and only have the ID numbers.
S400: and judging whether the vehicle information exists in the radio frequency identification information, if so, directly executing S600, otherwise, executing S500 first and then executing S600.
As previously mentioned, the rfid information does not necessarily include vehicle information, and thus needs to be determined. If the vehicle information exists, the vehicle information can be directly used, and the matching of the radio frequency identification information and the image identification information is directly carried out, namely S600 is executed; if the vehicle information does not exist, the vehicle information is acquired by using the ID number, that is, S500 is performed, and then the radio frequency identification information containing the vehicle information is matched with the image identification information, that is, S600 is performed.
S500: and acquiring corresponding vehicle information according to the ID number of the electronic identification.
In the process, a vehicle information server needs to be accessed, for example, a background computer of an access control system sends an ID number to the vehicle information server, the vehicle information server searches the ID number received from the background computer from the corresponding relation between the stored ID number and the vehicle information, the vehicle information server can find the corresponding vehicle information by searching the ID number, then the vehicle server sends the vehicle information to the background computer, and the background computer obtains the corresponding vehicle information.
The above process can be summarized as follows:
s501: transmitting the ID number to a vehicle information server;
s502: the vehicle information server searches the vehicle information corresponding to the ID number and returns the vehicle information to the sender of the ID number.
After the complete radio frequency identification information is obtained, the consistency of the image identification information and the radio frequency identification information can be judged, namely:
s600: and matching the image identification information with the radio frequency identification information, and outputting a matching result.
The image identification information at least comprises the license plate number of the vehicle, the radio frequency identification information at least comprises the ID number and the vehicle information, and the vehicle information at least comprises the license plate number of the vehicle, so that the matching of the image identification information and the radio frequency identification information mainly comprises the matching of the license plate numbers of the vehicle and the radio frequency identification information, and in some special cases, the matching of the information of the vehicle type and the color may be involved. Taking the example that the image identification information only comprises the brand and the radio frequency identification information only comprises the ID number and the brand, if the brands of the image identification information and the radio frequency identification information are the same, the image identification information and the radio frequency identification information are considered to be matched with each other, and the access control system can pass; if the two brands are different, the card cannot be released immediately, and further judgment may be needed to determine whether the card is released.
By executing the steps, the ID number of the socially issued electronic identification and the corresponding vehicle information are stored in advance, when the access control system for parking management needs to use the vehicle information, the ID number is firstly acquired, then the corresponding vehicle information is inquired by using the ID number, so that the needed vehicle information is acquired, then the vehicle information acquired from the electronic identification is matched with the vehicle information acquired from the image, whether the vehicle is allowed to enter a parking management area or not and whether other matters such as charging or not are determined according to the matching result, the access control system for parking management accurately identifies the vehicle information to which the socially issued electronic identification belongs, and effective management of the vehicle is realized.
In one embodiment of the present invention, S600 includes:
s601: and judging whether the image identification information is consistent with the radio frequency identification information, if so, executing S602, and if not, executing S603.
S602: and outputting the matching result as the accurate matching success and the brand in the radio frequency identification information.
If the brand in the image identification information and the brand in the radio frequency identification information are consistent, the possibility that the identification of the brand of the vehicle is wrong is extremely low, the identification result can be considered to be accurate, so that the output matching result is an accurate match, and the brand can be output at the same time, for example, the output text can be' the accurate matching brand: XXXXXXX ".
If the brand in the image identification information and the brand in the radio frequency identification information are not consistent, the degree of the inconsistency between the two needs to be further considered, i.e., S603 is executed.
S603: and judging whether the number of the inconsistent marks is within 2 bits, if so, executing S604, and otherwise, executing S605.
S604: and outputting the matching result as the successful fuzzy matching and the brand in the radio frequency identification information.
S605: and outputting the matching result as the matching failure, the brand in the image identification information and the brand in the video identification information.
If the part of the brand in the image identification information and the part of the brand in the radio frequency identification information which are not consistent are within 2 bits, the difference between the brand in the image identification information and the brand in the radio frequency identification information is not large, a small error possibly occurs in a certain identification process, the brand in the image identification information and the brand in the radio frequency identification information can be consistent after certain improvement is carried out, and therefore the output result is fuzzy matching. Because the rfid information is generally accurate and the image identification information has a high possibility of error, the brand in the rfid information can be used as the brand actually identified, for example, the output text can be "fuzzy matching brand: XXXXXXX ". If the clearance condition set by the access control system is fuzzy matching, the vehicle which is judged to be fuzzy matching can pass through the access control, if the clearance condition set by the access control system is accurate matching, the vehicle which is judged to be fuzzy matching still needs to be further manually or automatically accurately identified, so that the vehicle which is fuzzy matching is shunted into the vehicle which is accurate matching or fails to be matched, and whether the access control system is permitted is determined.
If the part of the image identification information with the brand inconsistent with the brand in the radio frequency identification information is more than 2 bits, the possibility that the two are inconsistent is very high, so that the two are considered to be inconsistent, and the output result is a matching failure, for example, the output text can be' matching failure radio frequency brand: XXXXXX physical designation: ZZZZZZZZ ". At this time, the reason why the matching of the image identification information and the radio frequency identification information of the vehicle fails needs to be further specifically analyzed in a manual or automatic mode, and whether the vehicle has conditions such as law violation or not is judged, so that the next step of processing is performed.
The embodiment realizes double-base comparison of the radio frequency identification information and the image identification information through the processes, adopts classification of accurate matching and fuzzy matching, can prevent the vehicle from entering a parking management area due to image identification errors caused by weather and other reasons, and realizes accurate judgment on whether the radio frequency identification information and the image identification information of the vehicle are matched.
In one embodiment of the present invention, S200 includes:
s201: and starting to record the image recognition time, shooting an image of the vehicle, and capturing image recognition information from the image of the vehicle.
This process requires a device having a timing function, such as an image recognition timing module 201, which is set to start timing while the image capturing device captures an image of the vehicle, and then performs analysis processing on the captured image to capture image recognition information therefrom.
S202: and judging whether the image identification information exists, if so, executing S400, otherwise, executing S203.
In S201, an error may occur in the shooting and capturing process, but the image identification information cannot be successfully acquired, so that it may be determined whether the image identification information has been successfully acquired, if so, the image identification information may be matched with the radio frequency identification information in the next step, and if not, it is determined whether the image identification information can be acquired again.
S203: and judging whether the image recognition time exceeds a preset timeout time, if so, executing S204, and if not, executing S205.
S204: and outputting information of failure in acquisition of the image identification information.
S205: after the preset waiting time elapses, S202 is executed.
An overtime time, for example, 500ms, may be preset, and if the time recorded by the image recognition timing module exceeds 500ms, the acquisition of the image recognition information is already overtime, which indicates that the image recognition information cannot be acquired, and at this time, information that the acquisition of the image recognition information fails may be directly output, for example, the output text may be "matching failure radio frequency brand: XXXXXX physical brand identification error "; a waiting time, for example, 100ms, may be preset, if the time recorded by the image recognition timing module does not exceed 500ms, the collection of the image recognition information is not timed out, and after 100ms, S202 may be executed again.
According to the embodiment, the function of timeout management for the acquisition of the image identification information is realized through the process, and the waste of time caused by long-time stagnation of the system when the image identification information of the vehicle cannot be acquired is prevented.
In one embodiment of the present invention, S300 includes:
s301: and starting to record the radio frequency identification time, sending a signal to the electronic identifier, receiving the signal returned by the electronic identifier, and converting the signal returned by the electronic identifier into radio frequency identification information.
This process requires a device with timing function, such as a rfid timing module 301, to start timing while the electronic tag reading device sends a signal to the electronic tag, and then the electronic tag returns a signal to the electronic tag reading device, and the electronic tag reading device converts the returned signal into rfid information.
S302: and judging whether the radio frequency identification information exists, if so, executing S400, and if not, executing S303.
In S301, an error may occur in the process of receiving, transmitting, and converting the radio frequency signal, and the radio frequency identification information cannot be successfully acquired, so that it may be determined whether the radio frequency identification information has been successfully acquired, and if the radio frequency identification information exists, the next step of matching the image identification information with the radio frequency identification information may be performed, and if the radio frequency identification information does not exist, it is determined whether the radio frequency identification information can be acquired again.
S303: determining whether the radio frequency identification time exceeds a preset timeout time, if so, performing S304, and if not, performing S305.
S304: and outputting the information of the failure of obtaining the radio frequency identification information.
S305: after the preset waiting time elapses, S302 is executed.
As described above, the timeout time may be set to 500ms, and if the time recorded by the rfid timing module exceeds 500ms, the collection of the rfid information is already timeout, which indicates that the rfid information cannot be acquired, and at this time, the information indicating that the acquisition of the rfid information fails may be directly output, for example, the output text may be "match failed rfid tag identifies a wrong physical tag: XXXXXXX "; the preset waiting time may be 100ms, if the time recorded by the rfid timing module does not exceed 500ms, the collection of the rfid information is not over time, and after 100ms, S302 may be executed again.
According to the embodiment, the function of overtime management for acquiring the radio frequency identification information is realized through the process, and the problem that the system is stopped for a long time and time is wasted when the radio frequency identification information of the vehicle cannot be acquired is solved.
Referring to fig. 6 to 9, the present invention further provides a social issuing electronic identifier-based entrance guard vehicle identification apparatus, including:
the vehicle information server 1 is used for storing the ID number of the electronic identifier of the vehicle information which is not stored, the vehicle information and the corresponding relation of the vehicle information;
an image recognition unit 2 for acquiring image recognition information of the vehicle;
the radio frequency identification unit 3 is used for acquiring radio frequency identification information of the vehicle;
a vehicle information judging and acquiring unit 4 for judging whether the radio frequency identification information includes vehicle information, and acquiring corresponding vehicle information from the vehicle information server 1 according to the ID number of the electronic identifier if the radio frequency identification information does not include vehicle information;
and the matching unit 5 is used for matching the image identification information with the radio frequency identification information and outputting a matching result.
The image recognition unit 2 should include a camera and an image analysis device, for example, a high-definition camera is used for shooting, and a background computer is used for analyzing, recognizing, and capturing information of the image. The radio frequency identification unit 3 at least comprises an electronic identification reading device, and the radio frequency identification information is read and then sent to the vehicle information judging and acquiring unit 4. The vehicle information judging and obtaining unit 4 should have a logic analysis function and a function of communicating with the vehicle information server 1, and may be a combination of several circuits or a complete independent computer system, for example, the aforementioned background computer may be used to judge whether the vehicle information is included in the radio frequency identification information, and to communicate with the vehicle information server 1 to obtain the vehicle information. The matching unit 5 should have a corresponding logic analysis function, and may be a combination of several circuits or a complete independent computer system, for example, the aforementioned background computer may be used to implement a function of matching the image identification information and the radio frequency identification information and outputting a matching result, and at this time, the image identification unit 2, the vehicle information judgment and acquisition unit 4, and the matching unit 5 are integrated on the same background computer.
In one embodiment of the present invention, the vehicle information determination and acquisition unit 4 includes a vehicle information determination module 401 and a vehicle information acquisition module 402. The vehicle information determination module 401 mainly implements a logic determination function, and is configured to determine whether vehicle information is included in the radio frequency identification information. The vehicle information acquisition module 402 mainly implements a function of communicating with the vehicle information server 1, and is configured to transmit an ID number to the vehicle information server 1 and receive vehicle information returned by the vehicle information server 1. Both of these parts may be a combination of several circuits or integrated on a background computer.
In an embodiment of the present invention, the matching unit 5 includes a double-base comparison module 501, a precision determination module 502, and an output module 503. The dual-base comparison module 501 mainly implements a logic comparison function, and is configured to determine whether the image identification information is consistent with the radio frequency identification information. The accuracy determination module 502 mainly implements a logic analysis function for determining whether the number of inconsistent signs is within 2 bits. The two parts may be a combination of several circuits or integrated on a background computer. The output module 503 mainly realizes the functions of outputting and displaying information, and may adopt various display devices, such as an LED display screen, for outputting the matching result.
In an embodiment of the present invention, the image recognition unit 2 includes an image recognition timing module 201, an image capturing and capturing module 202, an image information determination module 203, an image timeout determination module 204, and an image delay module 205, and the radio frequency recognition unit 3 includes a radio frequency recognition timing module 301, a radio frequency transceiving and conversion module 302, a radio frequency information determination module 303, a radio frequency timeout determination module 304, and a radio frequency delay module 305.
The image recognition timing module 201 and the rfid timing module 301 may employ various timing devices for recording the image recognition time and the rfid time, respectively. The image capture and capture module 202 is used to capture an image of the vehicle and capture image identification information from the image of the vehicle, and may employ a camera and a logic analysis circuit. The rf transceiving and converting module 302 is used to send a signal to the electronic identifier, receive a signal returned by the electronic identifier, and convert the signal returned by the electronic identifier into rf identification information, which may be an electronic identifier reading device. The image information judging module 203 and the radio frequency information judging module 303 are respectively used for judging whether the image identification information and the radio frequency identification information exist. The image timeout determining module 204 and the rf timeout determining module 304 are respectively configured to determine whether the image recognition time and the rf recognition time exceed a preset timeout time. The image delay module 205 and the rf delay module 305 are respectively used to control the image capturing and capturing module 202 to capture the image of the vehicle again after a preset waiting time, capture the image identification information from the image of the vehicle, send the signal to the electronic identifier again by the rf transceiving and converting module 302, receive the signal returned by the electronic identifier, and convert the signal returned by the electronic identifier into the rf identification information.
The image recognition timing module 201 and the radio frequency recognition timing module 301, the image information judging module 203 and the radio frequency information judging module 303, the image timeout judging module 204 and the radio frequency timeout judging module 304, and the image delay module 205 and the radio frequency delay module 305 may be a combination of several circuits or integrated on a background computer.
The working processes of the above units and modules are described in detail in the foregoing, and are not described herein again.
The device of the invention stores the ID number of the electronic identification and the corresponding vehicle information in advance, when the access control system for parking management needs to use the vehicle information, the ID number is firstly obtained, then the ID number is used for inquiring the corresponding vehicle information, thereby obtaining the needed vehicle information, then the vehicle information obtained from the electronic identification is matched with the vehicle information obtained from the image, whether the vehicle is allowed to enter a parking management area or not and whether other matters such as charging or not are determined according to the matching result, the accurate identification of the vehicle information belonging to the socially issued electronic identification by the access control system for parking management is realized, the effective management of the vehicle is realized, the classification of accurate matching and fuzzy matching is adopted, the influence of image identification error caused by weather and the like on the vehicle entering the parking management area is prevented, the overtime management function is added, and the long-time stagnation and the wave caused by the long-time system when the image identification information or the radio frequency identification information of the vehicle cannot be obtained are Takes time.
The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.
Claims (10)
1. An entrance guard vehicle identification method based on socialized issuing of electronic identification is characterized by comprising the following steps:
s100: storing an ID number of an electronic identifier which does not store vehicle information and the vehicle information, wherein the ID number and the vehicle information have a corresponding relation, and the vehicle information comprises a license plate number of a vehicle;
s200: acquiring image identification information of a vehicle;
s300: acquiring radio frequency identification information of a vehicle; the radio frequency identification information comprises an ID number of the electronic identification;
s400: judging whether the vehicle information exists in the radio frequency identification information, if so, directly executing S600, otherwise, executing S500 first and then executing S600;
s500: acquiring corresponding vehicle information according to the ID number of the electronic identifier;
s600: and matching the image identification information with the radio frequency identification information, and outputting a matching result.
2. The method according to claim 1, wherein the S500 comprises:
s501: transmitting the ID number to a vehicle information server;
s502: the vehicle information server searches the vehicle information corresponding to the ID number and returns the vehicle information to the sender of the ID number.
3. The socially issued electronic identification-based vehicle identification method of claim 2, wherein the S600 comprises:
s601: judging whether the image identification information is consistent with the radio frequency identification information, if so, executing S602, and if not, executing S603;
s602: outputting the matching result as the accurate matching success and the brand in the radio frequency identification information;
s603: judging whether the number of the inconsistent marks is within 2 bits, if so, executing S604, and otherwise, executing S605;
s604: outputting the matching result as the successful fuzzy matching and the brand in the radio frequency identification information;
s605: and outputting the matching result as the matching failure, the brand in the image identification information and the brand in the video identification information.
4. The socially issued electronic identity-based vehicle identification method of claim 3, wherein the S200 comprises:
s201: starting to record the image recognition time, shooting an image of the vehicle, and capturing image recognition information from the image of the vehicle;
s202: judging whether image identification information exists, if so, executing S400, otherwise, executing S203;
s203: judging whether the image recognition time exceeds a preset timeout time, if so, executing S204, and if not, executing S205;
s204: outputting information of failure in acquiring the image identification information;
s205: after the preset waiting time elapses, S202 is executed.
5. The socially issued electronic identity-based vehicle identification method of claim 4, wherein the S300 comprises:
s301: starting to record radio frequency identification time, sending a signal to the electronic identifier, receiving a signal returned by the electronic identifier, and converting the signal returned by the electronic identifier into radio frequency identification information;
s302: judging whether radio frequency identification information exists, if so, executing S400, otherwise, executing S303;
s303: judging whether the radio frequency identification time exceeds preset overtime time, if so, executing S304, and if not, executing S305;
s304: outputting the information of the radio frequency identification information acquisition failure;
s305: after the preset waiting time elapses, S302 is executed.
6. Entrance guard's vehicle recognition device based on socialized issue electronic identification, its characterized in that includes:
the vehicle information server is used for storing the ID number of the electronic identifier which does not store the vehicle information, the vehicle information and the corresponding relation of the vehicle information;
an image recognition unit for acquiring image recognition information of the vehicle;
the radio frequency identification unit is used for acquiring radio frequency identification information of the vehicle;
the vehicle information judging and acquiring unit is used for judging whether the radio frequency identification information comprises vehicle information or not, and acquiring corresponding vehicle information from the vehicle information server according to the ID number of the electronic identification under the condition that the radio frequency identification information does not comprise the vehicle information;
and the matching unit is used for matching the image identification information with the radio frequency identification information and outputting a matching result.
7. The socially issued electronic tag-based entrance guard vehicle recognition device of claim 6, wherein the vehicle information judgment and acquisition unit comprises:
the vehicle information judging module is used for judging whether the radio frequency identification information comprises vehicle information or not;
and the vehicle information acquisition module is used for sending the ID number to the vehicle information server and receiving the vehicle information returned by the vehicle information server.
8. The socially issued electronic identifier based access control vehicle recognition device of claim 7, wherein the matching unit comprises:
the double-base comparison module is used for judging whether the image identification information is consistent with the radio frequency identification information;
the accuracy judging module is used for judging whether the number of the inconsistent marks is within 2 bits;
and the output module is used for outputting the matching result.
9. The socially issued electronic tag-based entrance guard vehicle recognition device of claim 8, wherein the image recognition unit comprises:
the image recognition timing module is used for recording image recognition time;
the image shooting and capturing module is used for shooting an image of the vehicle and capturing image identification information from the image of the vehicle;
the image information judging module is used for judging whether image identification information exists or not;
the image overtime judging module is used for judging whether the image identification time exceeds the preset overtime time or not;
the image delay module is used for controlling the image shooting and capturing module to shoot the image of the vehicle again after the preset waiting time, and capturing the image identification information from the image of the vehicle;
the output module is also used for outputting the information of the failure of obtaining the image identification information.
10. The socially issued electronic identification based access control vehicle identification device of claim 9, wherein the radio frequency identification unit comprises:
the radio frequency identification timing module is used for recording radio frequency identification time;
the radio frequency transceiving and converting module is used for sending signals to the electronic identifier, receiving the signals returned by the electronic identifier and converting the signals returned by the electronic identifier into radio frequency identification information;
the radio frequency information judging module is used for judging whether radio frequency identification information exists or not;
the radio frequency overtime judging module is used for judging whether the radio frequency identification time exceeds the preset overtime time;
the radio frequency delay module is used for controlling the radio frequency transceiving and converting module to send a signal to the electronic identifier again after a preset waiting time, receiving a signal returned by the electronic identifier and converting the signal returned by the electronic identifier into radio frequency identification information;
the output module is also used for outputting the information of the failure of obtaining the radio frequency identification information.
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